To learn about Mary's short fiction, check out this page about her anthologies.

Otters In Space

A 2010 Ursa Major Award nomineefor Best Anthropomorphic Novel

Humans
have left the Earth, and dogs rule. Kipper is an oppressed tabby
cat who dreams of a better place where cats are free to run their own
lives. When Kipper discovers a secret that might lead her to such
a paradise, along with the secret comes trouble -- first, Kipper's
sister disappears, and, then, she's attacked by a dog goon herself.
Kippper's escape takes her on a mad dash to Ecuador and the space
elevator, where she catches a ride up to the otter-designed space
station. Once in "otter space," Kipper must navigate an
uncomfortably watery world to find out what happened to her sister and
whether there really is a cat paradise.

Also in e-book form at Smashwords, the Kindlestore, and other e-book retailers around the web.

Otters In Space II:Jupiter, Deadly

A 2013 Ursa Major Award nomineefor Best Anthropomorphic Novel

Spies! Jet packs! And a water-phobic feline surrounded by otters! IN SPACE!

On
her way back to Earth, Kipper the tabby cat finds her plans derailed
when hostile vessels attack friendly otter ships orbiting Jupiter.
The Jolly Barracuda flies to the rescue, dragging the hapless
tabby even farther from home and embroiling her deep inthe beginnings
of an interplanetary war.

Meanwhile, political turmoil on Earth
forces Trudith, the dog goon turned bodyguard, into a serious moral
quandary -- how far will she go to protect her alpha cat? Soon
every cat and dog on Earth is wondering, will a cat be the next
president and will Kipper make it home?

Also in e-book form at Smashwords, the Kindlestore, and other e-book retailers around the web.

Otters In Space III:Octopus Ascending

Intrigue, adventure, and octopi await!

On the eve of war between Earth and Jupiter, one brave tabby cat
embarks on a journey that will rock the foundation of her world as she
travels between the depths of the sea and the depths of space.
While Kipper seeks an audience with the octopus oligarchy, her sister
Petra struggles against tyrannies and conspiracies among the dog and
cat government of the Uplifted States. Meanwhile, across the
solar system, the otter Jenny leads her team of pirates and scientists
as they try to uncover the secrets of the ancient, abandoned Europa
base.

Can the creatures of Earth, working together, stop the Jovian fleet in time?

Also in e-book form at Smashwords, the Kindle store, and other e-book retailers around the web.

In a Dog's World

Katasha
Blake is a cat surrounded by cats. She loves her littermates, but she's
tired of having them in every part of her life. She wants to go to
Isleywood College, a prestigious school where most of the students are
dogs.

Then Katasha meets Howell, a handsome upperclassman and a
dog. What will her family think? Is Howell even interested in a high
school cat? All Katasha knows is, she can't wait to leave for college.